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10 Best Milwaukee Grinders 2025 in the United States

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Our Top Picks

#1

Winner

Milwaukee 2880-20 M18 FUEL Brushless Lithium-Ion 4-1/2 in. / 5 in. Cordless Small Angle Grinder with No-Lock Paddle Switch (Tool Only)

Rating
9.8
Chosen by1,113
Power
Weight and Ergonomics
Safety Features

Most important from
1910 reviews

Power
Brushless motor ensures long-lasting durability and impressive power.
Weight and Ergonomics
Compact size and ergonomic handle provide comfort and control, even during extended use.
Safety Features
Stops quickly when you let off the paddle, enhancing safety.
Battery Life (for Cordless Models)
Cordless design offers unparalleled freedom of movement without compromising on power.

The Milwaukee 2880-20 M18 FUEL Brushless Angle Grinder is a strong choice for both DIY enthusiasts and professionals looking for a portable, battery-powered tool. One of its standout features is the powerful brushless motor, which delivers up to 8500 RPM, making it suitable for a variety of grinding tasks. The compatibility with all M18 batteries adds to its versatility, ensuring that users can easily switch out batteries as needed. Its lightweight design, at just under 5 pounds, combined with an anti-vibration side handle, makes it comfortable to use for extended periods, reducing user fatigue.

Safety features are a key strength, with an electronic clutch providing kickback protection and overload protection to help prolong the motor's life. The 5/8"-11 spindle means it can accommodate common accessories, making it versatile for different applications.

The Milwaukee 2880-20 is a robust and reliable cordless angle grinder that excels in power, safety, and user comfort. It's best suited for users who require a high-performing tool for various grinding tasks, but potential buyers should factor in the additional cost of batteries if they do not already have them.

Rating
9.8
Chosen by1,113
Power
Weight and Ergonomics
Safety Features

Most important from
1910 reviews

Power
Brushless motor ensures long-lasting durability and impressive power.
Weight and Ergonomics
Compact size and ergonomic handle provide comfort and control, even during extended use.
Safety Features
Stops quickly when you let off the paddle, enhancing safety.
Battery Life (for Cordless Models)
Cordless design offers unparalleled freedom of movement without compromising on power.
#2

Milwaukee Electric - M18 Fuel 4-1/2-6 Braking Grinder Paddle Switch

Rating
9.6
Power

Most important from
23 reviews

Power
Offers cordless power comparable to corded grinders, ensuring strong performance.

The MILWAUKEE M18 FUEL 18-Volt Cordless Grinder is a solid choice for those needing a reliable, portable power tool. It runs on an 18-volt battery, which offers good power and mobility without being tethered by cords. Its maximum speed of around 9000 RPM provides strong performance for cutting and grinding tasks. The tool supports 4-1/2 inch and 6 inch discs, which are common sizes suitable for various jobs like metalwork or masonry. Weighing about 6.5 pounds, it's fairly manageable, though it may feel a bit heavy during extended use. The angled design and paddle switch help with ergonomics and control, making it easier to handle safely.

Since this is a tool-only kit, you’ll need to buy the battery and charger separately, which could increase the overall cost. This grinder suits users who want cordless convenience and decent power in a well-known brand, but those needing longer continuous work should consider battery options carefully.

This compact, versatile grinder delivers good speed and power, making it a practical choice for various applications. Users should ensure they have the necessary batteries and accessories to meet their specific needs.

Rating
9.6
Power

Most important from
23 reviews

Power
Offers cordless power comparable to corded grinders, ensuring strong performance.
#3

Milwaukee 2486-20 M12 FUEL Lithium-Ion In line Die Grinder (Tool Only)

Rating
9.4
Power
Speed
Weight and Ergonomics

Most important from
576 reviews

Power
Under heavy loads, it may bog down or stall, so it's best for light applications.
Speed
The RPMs are governable depending on how much you squeeze the trigger, making it versatile for different tasks.
Weight and Ergonomics
Lightweight and easy to manipulate, perfect for extended use without fatigue.

The Milwaukee 2486-20 M12 FUEL Inline Die Grinder is a solid choice for anyone needing a cordless tool for cutting, polishing, and grinding. Weighing just 1.2 pounds, it is lightweight and easy to handle, making it suitable for extended use without causing fatigue. The cordless design means you can use it anywhere without being tethered to a power source, which adds to its convenience.

With a 12-volt battery, it offers decent power for most light to medium tasks, though it might not be the best fit for heavy-duty grinding jobs. The 1/4" disc size is standard and widely compatible with various attachments, making it versatile for different applications. Its speed and performance are enhanced by Milwaukee's FUEL technology, allowing for efficient work. Users typically appreciate its ergonomic design, which helps with grip and comfort during use.

However, there are a couple of drawbacks to consider. The battery is sold separately, which can add to the overall cost if you don't already own compatible batteries. Some users might find that the power output is limited compared to larger, corded models, particularly for more demanding tasks. Additionally, while the safety features are reasonable, they aren't as robust as those found in some higher-end models, so extra caution is advised when using the tool. This die grinder is ideal for hobbyists and professionals looking for a lightweight and portable tool for less intensive grinding tasks, but those requiring more power might want to explore other options.

Rating
9.4
Power
Speed
Weight and Ergonomics

Most important from
576 reviews

Power
Under heavy loads, it may bog down or stall, so it's best for light applications.
Speed
The RPMs are governable depending on how much you squeeze the trigger, making it versatile for different tasks.
Weight and Ergonomics
Lightweight and easy to manipulate, perfect for extended use without fatigue.

Buying Guide for the Best Milwaukee Grinders

When it comes to picking the right Milwaukee grinder, it's important to understand the key specifications that will determine how well the tool will meet your needs. Grinders are versatile tools used for cutting, grinding, polishing, and more. To ensure you get the best fit for your tasks, you need to consider several factors such as power, speed, size, and additional features. By understanding these specifications, you can make an informed decision and choose a grinder that will perform efficiently and safely for your specific applications.
PowerPower in grinders is typically measured in amps for corded models and volts for cordless models. This spec is important because it determines how much force the grinder can apply to the material. For light tasks like polishing or light grinding, a lower power grinder (around 6-8 amps or 18 volts) will suffice. For more demanding tasks like cutting through metal or heavy grinding, you will need a higher power grinder (10 amps or more, or 20 volts and above). Choose the power level based on the intensity and frequency of the tasks you plan to perform.
SpeedSpeed is measured in revolutions per minute (RPM) and indicates how fast the grinder's wheel spins. Higher speeds (10,000 RPM and above) are suitable for cutting and grinding hard materials quickly, while lower speeds (around 6,000-8,000 RPM) are better for precision work and polishing. Consider the type of work you will be doing most often; if you need versatility, look for a grinder with variable speed settings so you can adjust the RPM to match the task.
Disc SizeThe disc size refers to the diameter of the grinding wheel and is a crucial factor in determining the grinder's capability. Common sizes are 4.5 inches, 5 inches, and 7 inches. Smaller discs (4.5-5 inches) are ideal for detailed work and accessing tight spaces, while larger discs (7 inches) are better for heavy-duty tasks and covering larger surface areas quickly. Choose the disc size based on the type of projects you will be working on and the level of precision required.
Weight and ErgonomicsThe weight and ergonomics of a grinder affect how comfortable it is to use, especially for extended periods. Lighter grinders (around 4-6 pounds) are easier to handle and reduce fatigue, making them suitable for overhead or detailed work. Heavier grinders (7 pounds and above) offer more stability and control for heavy-duty tasks. Additionally, look for features like adjustable handles, anti-vibration technology, and comfortable grips to enhance usability and reduce strain.
Safety FeaturesSafety features are essential to protect you while using the grinder. Look for grinders with features such as a safety guard to protect against debris, a spindle lock for easy wheel changes, and an automatic shut-off to prevent overheating. Some models also offer paddle switches that require continuous pressure to operate, reducing the risk of accidental start-up. Prioritize safety features based on the environment and conditions in which you will be using the grinder.
Battery Life (for Cordless Models)For cordless grinders, battery life is a critical factor. It determines how long you can use the tool before needing to recharge. Higher amp-hour (Ah) ratings indicate longer battery life. For occasional use or light tasks, a battery with 2-3 Ah may be sufficient. For more intensive or prolonged use, consider batteries with 4 Ah or higher. Additionally, check if the grinder is compatible with other tools in your collection, allowing you to interchange batteries and maximize efficiency.

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